Castro's speech will call for investment in future generations

Lisa Krantz/San Antonio Express-News

119of170

Mayor Julian Castro takes a break with his wife, Erica Castro, and their daughter, Carina, 3, in their hotel room as he prepares for his keynote speech during the Democratic National Convention in Charlotte, NC on Tuesday, Sept. 4, 2012.

Lisa Krantz/San Antonio Express-News

119of170

Mayor Julian Castro takes a break with his wife, Erica Castro, and their daughter, Carina, 3, in their hotel room as he prepares for his keynote speech during the Democratic National Convention in Charlotte, NC on Tuesday, Sept. 4, 2012.